diff options
Diffstat (limited to 'drivers/net/phy/phy_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index ac23322a32e1..9e4ba8e80a18 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -535,8 +535,17 @@ static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id, /* Grab the bits from PHYIR1, and put them in the upper half */ phy_reg = mdiobus_read(bus, addr, MII_PHYSID1); - if (phy_reg < 0) + if (phy_reg < 0) { + /* if there is no device, return without an error so scanning + * the bus works properly + */ + if (phy_reg == -EIO || phy_reg == -ENODEV) { + *phy_id = 0xffffffff; + return 0; + } + return -EIO; + } *phy_id = (phy_reg & 0xffff) << 16; |